#ifndef _SIM900A_H_
#define _SIM900A_H_

#include <string.h>
#include <stdio.h>
#include "delay.h"
#include "sys.h"
#include "usart.h"

#define ERROR_AT1 0x01
#define ERROR_AT2 0x02
#define ERROR_AT3 0x03
#define ERROR_AT4 0x04
#define ERROR_AT5 0x05
#define ERROR_AT6 0x06

#define SNED_SUCCEED 0
#define SEND_FAIL 1

extern int sim900a_send_chmessage_zc(char *number, char *content); //发送中文信息到指定手机号

#endif
